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 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package com.sun.corba.se.impl.protocol;

import javax.rmi.CORBA.Tie;

import org.omg.CORBA.SystemException;
import org.omg.CORBA.NO_IMPLEMENT;
import org.omg.CORBA.OBJECT_NOT_EXIST;
import org.omg.CORBA.CompletionStatus;
import org.omg.CORBA.portable.InputStream;
import org.omg.CORBA.portable.OutputStream;

import com.sun.corba.se.spi.oa.ObjectAdapter;
import com.sun.corba.se.spi.orb.ORB;

import com.sun.corba.se.spi.protocol.CorbaMessageMediator;

import com.sun.corba.se.spi.logging.CORBALogDomains;

import com.sun.corba.se.impl.logging.ORBUtilSystemException;

import com.sun.corba.se.spi.oa.NullServant;

public abstract class SpecialMethod {
    public abstract boolean isNonExistentMethod();

    public abstract String getName();

    public abstract CorbaMessageMediator invoke(java.lang.Object servant,
                                                CorbaMessageMediator request,
                                                byte[] objectId,
                                                ObjectAdapter objectAdapter);

    public static final SpecialMethod getSpecialMethod(String operation) {
        for (int i = 0; i < methods.length; i++)
            if (methods[i].getName().equals(operation))
                return methods[i];
        return null;
    }

    static SpecialMethod[] methods = {
            new IsA(),
            new GetInterface(),
            new NonExistent(),
            new NotExistent()
    };
}

class NonExistent extends SpecialMethod {
    public boolean isNonExistentMethod() {
        return true;
    }

    public String getName() {           // _non_existent
        return "_non_existent";
    }

    public CorbaMessageMediator invoke(java.lang.Object servant,
                                       CorbaMessageMediator request,
                                       byte[] objectId,
                                       ObjectAdapter objectAdapter) {
        boolean result = (servant == null) || (servant instanceof NullServant);
        CorbaMessageMediator response =
                request.getProtocolHandler().createResponse(request, null);
        ((OutputStream) response.getOutputObject()).write_boolean(result);
        return response;
    }
}

class NotExistent extends NonExistent {
    public String getName() {           // _not_existent
        return "_not_existent";
    }
}

class IsA extends SpecialMethod {      // _is_a
    public boolean isNonExistentMethod() {
        return false;
    }

    public String getName() {
        return "_is_a";
    }

    public CorbaMessageMediator invoke(java.lang.Object servant,
                                       CorbaMessageMediator request,
                                       byte[] objectId,
                                       ObjectAdapter objectAdapter) {
        if ((servant == null) || (servant instanceof NullServant)) {
            ORB orb = (ORB) request.getBroker();
            ORBUtilSystemException wrapper = ORBUtilSystemException.get(orb,
                    CORBALogDomains.OA_INVOCATION);

            return request.getProtocolHandler().createSystemExceptionResponse(
                    request, wrapper.badSkeleton(), null);
        }

        String[] ids = objectAdapter.getInterfaces(servant, objectId);
        String clientId =
                ((InputStream) request.getInputObject()).read_string();
        boolean answer = false;
        for (int i = 0; i < ids.length; i++)
            if (ids[i].equals(clientId)) {
                answer = true;
                break;
            }

        CorbaMessageMediator response =
                request.getProtocolHandler().createResponse(request, null);
        ((OutputStream) response.getOutputObject()).write_boolean(answer);
        return response;
    }
}

class GetInterface extends SpecialMethod {     // _get_interface
    public boolean isNonExistentMethod() {
        return false;
    }

    public String getName() {
        return "_interface";
    }

    public CorbaMessageMediator invoke(java.lang.Object servant,
                                       CorbaMessageMediator request,
                                       byte[] objectId,
                                       ObjectAdapter objectAdapter) {
        ORB orb = (ORB) request.getBroker();
        ORBUtilSystemException wrapper = ORBUtilSystemException.get(orb,
                CORBALogDomains.OA_INVOCATION);

        if ((servant == null) || (servant instanceof NullServant)) {
            return request.getProtocolHandler().createSystemExceptionResponse(
                    request, wrapper.badSkeleton(), null);
        } else {
            return request.getProtocolHandler().createSystemExceptionResponse(
                    request, wrapper.getinterfaceNotImplemented(), null);
        }
    }
}

// End of file.
